PDF malware analysis — malicious · 2e9c806f17ec93ff

MALICIOUS

PDF

1.4 KB

MD5: 2ac733d7ff242096b0542c59c2a61329 SHA-1: 3c461fce59f857a50dc41e2a4c06305066fa1eaa SHA-256: 2e9c806f17ec93ff9a320d7bd4e2b297f566016ed557407dd3d67ad94162dff9

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1566.002 Spearphishing Attachment

This PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The critical CVE_2009_4324 heuristic suggests exploitation of a known vulnerability in the media player functionality. The PDF_UNESCAPE heuristic points to obfuscated JavaScript code. The ClamAV detection of 'Pdf.Dropper.Agent-7244796-0' strongly suggests a dropper functionality, likely intended to download and execute a second-stage payload. No specific family could be identified, but the dropper behavior is clear.

Heuristics 6

media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324

PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (matched in decompressed stream)
ClamAV: Pdf.Dropper.Agent-7244796-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7244796-0
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj111111_000.js` `1efc4139397f0f498591f47210bb40a50e15719e3b797b6b24ad69662b0cd11a`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1250 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`javascript_obj111112_001.js` `6e81e41d80fe8de0308e5d7d7e7dcf475860f8b824092dbdb3df7bc699501151`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x482	267 bytes

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